32 
Indian Forest Records. 
[Vol. Till. 
“ In the £ Sex the 7th segment has two rows of spines and the succeed¬ 
ing segments one row; in the 2 the 6th is the last segment with two 
rows, the remaining caudal segments having but one row ” [l. c., p. 40] 
Duornitus ceramicus and Indian species of Zeuzera, however, agree in 
having 2 rows of spines on the 7th segment in both sexes. 
Duornitus from its pupal characters, clearly falls into the sub-family 
Zeuzerinae. 
Dehiscence. 
Separation occurs along the epicranial suture between the vertex 
and prothorax, completely round the antennae between the sculptured 
eyepiece and the glazed eyepiece, between the maxillae and the thoracic 
appendages, so that an anchor-shaped face-piece separates off, consisting 
of the vertex, frontal process, antenae, glazed eyepieces, clypeus, labrum, 
labial palpi and maxillae ; this remains attached to the pupal case by 
a narrow strip of skin which extends from behind the mouth parts at the 
base of the head to the median ventral line of the thorax. The sculp¬ 
tured eyepiece (so termed) remains attached by invaginated skin to the 
prothorax. Plate ii, fig. 3, shows the face-piece after dehiscence. 
Splitting also occurs down the median line of the thoracic segments to 
the 1st abdominal segment, and down the middle ventral line of the 
thorax, while a distension of the skin occurs between the individual 
appendages and between the appendages and the thorax ; Plate iii, 
fig. 8, shows the empty pupal skin protruding from the exit hole. 
[ 260 ] 
